Complete mole results from:

Correct Answer: D

Rationale: 0 maternal, 2 paternal sets form a complete mole. Rationale: Sperm (23) fertilizes an empty egg and duplicates (46, XX or YY), all paternal, no fetus.

Correct Answer: C

Rationale: Amniotic fluid (C) is used in amniocentesis for fetal karyotyping. Rationale: It contains fetal cells (amniocytes) for chromosome analysis; lymphocytes and bone marrow are postnatal, cheek swabs aren’t fetal, and skin biopsy is rare prenatally.

Correct Answer: B

Rationale: Umbilicated lesions (central depression) are characteristic of Molluscum contagiosum (B). Rationale: Pinworms (A) cause pruritus without nodules; lice (C) have nits; Shigella (D) and Streptococcus (E) cause discharge, not umbilicated lesions.

Correct Answer: D

Rationale: Topical estrogens (D) are the standard treatment for labial adhesions. Rationale: Estrogen separates fused labia by promoting epithelial growth; antibiotics (A, B) treat infection, not adhesions; oral estrogens (C) are less targeted.

Correct Answer: B

Rationale: Dysgerminomas, germ cell tumors, are linked to X-Y gonadal dysgenesis (B). Rationale: XY females (e.g., Swyer syndrome) have dysgenetic gonads prone to malignancy; Turner (C) and Noonan (A) involve XO or other defects, less associated.